Fish separating machine



Jan. 29, 1952 o. ANHANGl-:R

FISH SEPARATING MACHINE Filed Dec. 30, 1947 Patented Jan. 29, 1952 FISH SEPARATING MACHINE Oscar Anhanger, Trondheim, Norway Application December 30, 1947, Serial No. 794,757 In Norway November 30, 1944 1 claim. l

The present invention relates to flsh separators of the type in which the fish is worked against the outer side of a perforated drum by the action of one or more hammers which strike against the drum and fish. The hammers may be resiliently mounted in a housing which is moved back and forth relative to the exterior of the drum by means of a crank shaft and an example of such structure as known in the art is shown in my prior Norwegian Patent No. 69,329, dated June 11, 1945, wherein the hammer housing is mounted on guide rods in such a manner that the hammer performs a rectilinear reciprocating movement toward the exterior surface of the drum. The striking movements of the hammer or hammers against the drum are thus straight blows without any side movement.

The present invention has for its object an improvement in iish separators of the above described type, and consists in the provision of an improved linkage for the housing mounting the hammer or hammers to thus guide the hammers in such a way that at the same time as they strike against the drum they also carry out a movement in the tangential direction of the drum, which movement to an appreciable degree assists in scraping the fish meat from the skin.

This hammer movement is advantageously obtained according to the invention by providing that the housing for the resilient hammer or hammers is carried by an oscillatory link pivotally linked to the machine stand in which the rotatable drum is mounted.

An example of an embodiment of the invention is described in the following specification with reference to the accompanying drawing which diagrammatically shows a side View of the separator machine according to the invention.

In the drawing, I designates a perforated drum having an end flange Ill. The hammer 2 which may be caused to strike against the exterior of When the machine is in operation, and fish to be separated is fed onto the surface of the drum to pass beneath the hammer as guided by the guide member Il, the hammer at the same time as it strikes against the drum will perform a downward or tangential movement with respect to the drum, which movement as previously mentioned assists to an appreciable degree in scraping the fish meat from the skin. Suitable motive power means and bearings, not shown, may be provided to rotate the drum l and cra-nk shaft 1, both of which are mounted on the machine stand generally shown at 6.

Experiments have shown that the improved device according to the invention provides a substantially improved cleaning operation than formerly, and therefore the rotational velocity of the drum may be increased whereby its capacity becomes greater. At the same time the rotational speed of the crank shaft may be reduced Whereby the machine runs more smoothly and quietly than those of the prior art.

I claim:

In a sh separating machine comprising a machine stand, a rotatable perforated drum mounted on said stand, a hammer adapted to reciprocate against the exterior of said drum, and means to rotate said drum, said hammer being mounted in a housing, the improvement comprising a pivotal link between said housing and said stand, and means to reciprocate said housing and hammer towards said drum whereby said hammer is caused to move with a compound motion towards the drum, said compound motion including a normally rectilinear recprocatory movement and a peripheral movement relative to said drum.

OSCAR ANHANGER.

REFERENCES CITED The following references are of record in the le of this patent:

'UNITED STATES PATENTS Number Name Date 1,335,133 Spjelkavik Mar. 30, 1920 FOREIGN PATENTS Number Country Date 58,690 Norway June 7, 1938 69,329 Norway June 11. 1945 

